American Association for the Surgery of Trauma (AAST) Grading Criteria for a Bleeding Peptic Ulcer

The American Association for the Surgery of Trauma (AAST) reported grading criteria for a bleeding peptic ulcer.

Patient selection: peptic ulcer

Parameters:

(1) size of ulcer

(2) evidence of bleeding

(3) active bleeding

Size of Ulcer	Evidence of Bleeding	Active Bleeding	Grade
<= 2 cm	none	none	0
<= 2 cm	heme-positive gastric aspirate with clean ulcer base	none	I
<= 2 cm	heme staining of ulcer base and heme-positive stools	none	II
> 2 cm	NA	NA	III
NA	NA	visible clot and melena	III
NA	NA	exposed vessel with indolent hemorrhage, melena or hematemesis	IV
NA	NA	active pulsatile hemorrhage	V

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